<div class="tree-wrap">
  <nz-card class="hide-scrollbar">
    <nz-input-group [nzSuffix]="suffixIcon">
      <input type="text" nz-input placeholder="搜索名称" [(ngModel)]="searchValue" />
    </nz-input-group>
    <ng-template #suffixIcon>
      <i nz-icon nzType="search"></i>
    </ng-template>
    <nz-tree [nzData]="nodes" [nzSearchValue]="searchValue" nzAsyncData (nzClick)="_selectChange($event)" (nzExpandChange)="nzEvent($event)"> </nz-tree>
  </nz-card>
</div>


